--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/common.cc	Tue May 06 09:39:58 2008 +0200
@@ -0,0 +1,50 @@
+/*
+ * common.cc: common functions and definitions
+ *
+ * This file is part of Pyrit Ray Tracer.
+ *
+ * Copyright 2008  Radek Brich
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "common.h"
+
+#include <stdarg.h>
+
+int pyrit_verbosity = 2;
+
+void dbgmsg(const int vlevel, const char *format, ...)
+{
+	static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+	if (pyrit_verbosity >= vlevel)
+	{
+		if (pyrit_verbosity >= 4)
+			pthread_mutex_lock(&mutex);
+
+		va_list ap;
+		va_start(ap, format);
+		vprintf(format, ap);
+		va_end(ap);
+		fflush(stdout);
+
+		if (pyrit_verbosity >= 4)
+			pthread_mutex_unlock(&mutex);
+	}
+}